You will use the MU Editor, a simple editor that makes writing code running on the Playground Express very easy. Here, we discuss how to get started with the editor.

If you are running through this tutorial on your laptop, you will have to install the mu-editor from this link: https://codewith.mu/en/download

Click on the toggle ▶️ buttons below to expand the instructions for each step.

• Step 1: Connect the Playground Express to the laptop
• Step 2: Start the editor
• Step 3: Select Adafruit CircuitPython mode
• Step 4: Open the [code.py](<http://code.py>) file